/Engine/Source/Runtime/Engine/Classes/Animation/BlendSpace.h
bool GetSamplesFromBlendInput ( const FVector & BlendInput, [TArray](API\Runtime\Core\Containers\TArray)< [FBlendSampleData](API\Runtime\Engine\Animation\FBlendSampleData) > & OutSampleDataList, int32 & InOutCachedTriangulationIndex, bool bCombineAnimations ) const